The beneficial effects of total cavopulmonary conversion and arrhythmia surgery for the failed fontan

Constantine Mavroudis, Barbara J. Deal, Carl L. Backer

Research output: Contribution to journalArticle

Abstract

Postoperative Fontan patients can develop hemodynamic abnormalities and refractory atrial arrhythmias resulting in significant morbidity and mortality. We present our experience with total cavopulmonary artery conversion and arrhythmia surgery. Between 1994 and 2001, 41 patients underwent total cavopulmonary artery conversion and arrhythmia surgery. Significant hemodynamic lesions were repaired concomitantly: aortic aneurysm (n = 1), atrioventricular valve insufficiency (n = 8), and pulmonary artery stenosis (n = 9). Thirty-five patients were in New York Heart Association class III or IV. Mean age at original Fontan was 7.5 ± 6.5 years, at Fontan conversion, 18.7 ± 9.0 years. Arrhythmia surgery for atrial re-entry tachycardia evolved from isthmus cryoablation (n = 10) to right-sided maze (n = 17). Maze-Cox III was used for 14 patients with atrial fibrillation. Atrial (n = 34) and dual chamber (n = 5) pacemakers were placed. Mortality and reoperation for bleeding rates are 0%. Chest tubes were removed on postoperative day 9.0 ± 6.0. Mean hospital stay was 11.8 ± 6.6 days. Three patients required cardiac transplantation at 8 days, 9 months, and 33 months postoperatively. There was one long-term death from acute myocardial infarction 2 years postoperatively. For the entire series, arrhythmia recurrence is 12.2% (5/41). Only 9.8% of patients (4/41) receive chronic antiarrhythmic medications; these patients were among the first eight in the series. Most patients are in New York Heart Association I or II. Bruce protocol in 12 patients showed increased tolerance (P < .05) Total cavopulmonary artery conversion with concomitant arrhythmia surgery is excellent therapy for patients with failed Fontan. It is safe, improves New York Heart Association class, improves exercise tolerance, and the incidence of recurrent arrhythmias is low.

Original languageEnglish (US)
Pages (from-to)12-24
Number of pages13
JournalPediatric Cardiac Surgery Annual
Volume5
Issue number1
DOIs
StatePublished - Jan 1 2002
Externally publishedYes

Fingerprint

Cardiac Arrhythmias
Arteries
Hemodynamics
Chest Tubes
Cryosurgery
Exercise Tolerance
Mortality
Aortic Aneurysm
Heart Transplantation
Reoperation
Tachycardia
Atrial Fibrillation
Length of Stay
Myocardial Infarction
Hemorrhage
Morbidity
Recurrence
Incidence

Keywords

  • Arrhythmia surgery
  • Fontan procedure
  • Total cavopulmonary conversion

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery
  • Cardiology and Cardiovascular Medicine

Cite this

The beneficial effects of total cavopulmonary conversion and arrhythmia surgery for the failed fontan. / Mavroudis, Constantine; Deal, Barbara J.; Backer, Carl L.

In: Pediatric Cardiac Surgery Annual, Vol. 5, No. 1, 01.01.2002, p. 12-24.

Research output: Contribution to journalArticle

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